Supports – Stand – To hold a particular article
Patent
1993-10-08
1995-05-09
Ramirez, Ramon O.
Supports
Stand
To hold a particular article
188 69, 354293, F16M 1112
Patent
active
054132959
ABSTRACT:
A tripod head comprises a panning braking device having a plurality of braking units with different braking forces which is supported on a panning shaft, and a torque switchover mechanism allowing to freely switch over torque on the side of said braking units; a weight balancer having a plurality of spring units, in which one or a plurality of spiral springs with different elastic forces are incorporated, supported on a tilting shaft and a righting moment switchover mechanism allowing to freely switch over a righting moment against the tilting on the sides of the spring units; a tilting braking device having a plurality of braking units with different braking forces which is supported on said tilting shaft, and a torque switchover mechanism allowing to freely switch over torque on the sides of the braking units; and a sliding plate device having a set spring capable of freely floating and sinking, said set spring being in contact with one of the side end surfaces of the sliding plate for securing a device such as a camera, a video camera, a movie camera or the like which is slidable in the longitudinal direction against a camera stand, and supporting said sliding plate under pressure.
REFERENCES:
patent: 4083524 (1978-04-01), O'Connor
patent: 4570887 (1986-02-01), Banister
patent: 4955568 (1990-09-01), O'Connor et al.
patent: 4959671 (1990-09-01), Ishikawa
patent: 4979709 (1970-12-01), Ishikawa
patent: 5222826 (1993-06-01), Hanke
Chan Korie H.
Heiwa Seiki Kagya Co., Ltd.
Ramirez Ramon O.
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